Ceramic casting sand for sand 3d printing Featured Image

Aja nkedo seramiiki maka mbipụta 3d ájá

Nkọwa dị mkpirikpi:

Kaist sintered Ceramic sand, nke bụ otu ngwaahịa ya na Ceratech ma ọ bụ Cerabeads, bụ ụdị ájá ájá ceramic nke adịchaghị nke a na-eji emepụta ebu na cores maka igwe nkedo ngwaahịa dị oke ọnụ ahịa n'ime ụgbọ ala, mmanụ & gas, Ngwuputa na ụlọ ọrụ ihe owuwu. Nke ahụ na-agụnye ngọngọ cylinder na valvụ hydraulic, yana nfuli, ihe nkwụnye ọkụ na ngwaọrụ. A na-eji kristal mullite mee ájá kaist nwere ezigbo mma. A na-emepụta ha site na ịgbanye granules dị okirikiri, ọ bụghị site n'igwepịa ha.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Kaist sintered Ceramic ájá, nke bụ otu ngwaahịa na Ceratec's Nagai Cerabeads, bụ ụdị ájá a na-ahụ maka seramiiki adịchaghị mma nke a na-eji mepụta ebu na cores maka igwe nkedo ngwaahịa dị oke ọnụ ahịa n'ime ụgbọ ala, mmanụ & gas, Ngwuputa na ụlọ ọrụ ihe owuwu. Nke ahụ na-agụnye ngọngọ cylinder na valvụ hydraulic, yana nfuli, ihe nkwụnye ọkụ na ngwaọrụ. A na-eji kristal mullite mee ájá kaist nwere ezigbo mma. A na-emepụta ha site n'ịgba granules dị okirikiri, ọ bụghị site n'igwepịa ha.

Dị ka ájá 3D obibi akụrụngwa, ugbu a anyị mmekọ nwere ExOne, Voxeljet, KOCEL, wdg ọtụtụ.

Ihe onwunwe seramiiki

Ihe mejupụtara kemịkalụ bụ isi	Al₂O₃≥53%, Fe₂O₃＜4%, TiO₂＜3%, SiO₂≤37%
Ụdị ọka	Spherical
Ọnụ ego angular	≤1.1
Akụkụ akụkụ	45μm-2000μm
Refractoriness	≥1800℃
Njupụta nnukwu	1.5-1.6 g/cm3
Mgbasa ọkụ (RT-1200℃)	4.5-6.5x10-6/k
Agba	Aja
PH	6.6-7.3
Ihe mejupụtara mineral	Dị nro + Corundum
Ọnụ ego acid	1 ml / 50g
LOI	0.1%

Uru

Kaist ceramic foundry sand is about half as light as zircon and chromite, is about third as light as fused ceramic sand. Compared to these natural sand and other foundry media (the material is able to turn out about twice the number of molds per unit weight). Kaist ceramic foundry sand can deliver mold and core packages with a range of benefits that include higher-strength sand casting packages, with high heat resistance, low thermal expansion, improved final part resolution and a smoother surface finish. It can also be handled very easily, saving labor and transfer power costs. However, the manufacturer recommends paying attention to the amount of binder addition.

Ngwa

Iji Kaist ceramic foundry ájá na-ebelatakwa mkpofu na uzuzu, yana uru mweghachi dị elu nke ihe. Na mgbakwunye, Kaist ceramic foundry ájá adịlarị n'ọrụ n'ihe karịrị 100 foundries gburugburu ụwa; enwere ike iji ha mee ihe na usoro ịkpụzi ọdịnala iji wepụta nsonaazụ dị elu na ụdị ọla dị iche iche, gụnyere nchara (obere alloy, carbon, na igwe anaghị agba nchara), ígwè (isi awọ, ductile), aluminom, na ọla ndị ọzọ ebe njikwa siri ike. na elu imecha chọrọ.

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Akụkụ nke nkesa nha nha

Enwere ike ịhazi nkesa nha nha dị ka ihe ị chọrọ.

Ntupu		20	30	40	50	70	100	140	200	270	Pan	AFS
μm		850	600	425	300	212	150	106	75	53	Pan
Koodu	70/140				≤5	25-35	35-50	8-15	≤5	≤1		65±4
	140/70				≤5	15-35	35-50	20-25	≤8	≤2		70±5
	100/200					≤10	20-35	35-50	15-20	≤10	≤2	110±5